Power Electronics Snubber circuit is used with SCR anti parallel. in series. in parallel. either series or parallel. anti parallel. in series. in parallel. either series or parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3.1 µs 3.3 µs 3 µs. 3.2 µs 3.1 µs 3.3 µs 3 µs. 3.2 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? CB and fuse. Snubber circuit. Voltage clamping device. Heat sink. CB and fuse. Snubber circuit. Voltage clamping device. Heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in both B and C. series connection. anti parallel connection. parallel connection. both B and C. series connection. anti parallel connection. parallel connection. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? All of these. To minimize the charging current. To minimize the discharging current. To minimize the loss . All of these. To minimize the charging current. To minimize the discharging current. To minimize the loss . ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. ANSWER DOWNLOAD EXAMIANS APP
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